What has Changed hotfix 1 for STEP 7 V5.6 Compared to Version STEP 7 V5.6?

Installation of hotfix 1 for STEP 7 V5.6
As of this hotfix: If after installing a hotfix 1 for STEP 7 V5.6 the original installation is changed with "Change program" or "Repair program" the hotfix needs to be installed again.

HW Config
Ab diesem Hotfix: In a configuration that uses the function "Use different method to obtain IP address" there is no longer a warning relating to the NTP server address and another subnet.

SIMATIC Manager
As of this hotfix: The display of the object size of objects larger than 2 GB has been improved.

Report System Errors
As of this hotfix: A battery fault is also displayed for a CPU if this is operated in a non-redundant configuration.

friends
Download the software from Step 7 v 5.6 indicated on the page.
When I want to install everything, it is going well until you inform me that Step 7 v5.6 can not be installed because the computer has installed step 7 V5.6 HF1 WHAT IS NOT TRUE WHAT HAPPENS AND PLEASE IF SOMEONE CAN HELP ME
THANK YOU.

A while ago I had a problem with the EKB ESPECIALLY THOSE OF 2017 _8.
I DO ALL THE OPERATIONS THROW THEM IN THE FOLDER
AX NF ZZ BUT DO NOT TAKE THE PROGRAMS.
MY OPERATIVE SYSTEM IS WINDOWS 10 PRO OF 64 BITS.
I INSTALL ANY SIEMENS PROGRAM AND DO NOT ACTIVATE IT WHAT CAN IT BE? NEITHER DOES THE AUTOMATION MANAGER CONNECT THE EKB PROGRAM WHAT CAN I DO? THANK MUCH.